199207456

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^2\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 72

約数和(自身を含む): 457591680

約数和(自身を除く): 258384224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 239, 244, 427, 478, 488, 854, 956, 976, 1673, 1708, 1912, 1952, 3346, 3416, 3721, 3824, 6692, 6832, 7442, 7648, 13384, 13664, 14579, 14884, 26047, 26768, 29158, 29768, 52094, 53536, 58316, 59536, 102053, 104188, 116632, 119072, 204106, 208376, 233264, 408212, 416752, 466528, 816424, 833504, 889319, 1632848, 1778638, 3265696, 3557276, 6225233, 7114552, 12450466, 14229104, 24900932, 28458208, 49801864, 99603728, 199207456]

約数ペア:

[(1, 199207456), (2, 99603728), (4, 49801864), (7, 28458208), (8, 24900932), (14, 14229104), (16, 12450466), (28, 7114552), (32, 6225233), (56, 3557276), (61, 3265696), (112, 1778638), (122, 1632848), (224, 889319), (239, 833504), (244, 816424), (427, 466528), (478, 416752), (488, 408212), (854, 233264), (956, 208376), (976, 204106), (1673, 119072), (1708, 116632), (1912, 104188), (1952, 102053), (3346, 59536), (3416, 58316), (3721, 53536), (3824, 52094), (6692, 29768), (6832, 29158), (7442, 26768), (7648, 26047), (13384, 14884), (13664, 14579)]